Home / 28,214.43-42,279.93-26,636.55

Finding the Fourth Proportional to 28,214.43, 42,279.93 and 26,636.55

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Solution

The fourth proportional to 28,214.43, 42,279.93 and 26,636.55 is: 39,915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214.43 : 42,279.93 = 26,636.55 : x
  2. Step 2: Convert to fraction form
    28,214.43/42,279.93 = 26,636.55/x
  3. Step 3: Cross multiply
    28,214.43x = 42,279.93 × 26,636.55
  4. Step 4: Simplify right side
    28,214.43x = 1,126,191,469.44
  5. Step 5: Solve for x
    x = 1,126,191,469.44/28,214.43
  6. Step 6: Final answer
    x = 39,915.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.